AdFi
RI

RATIONAL INVESTMENT MANAGEMENT, LLC

SEC Registered

an integrated approach to financial planning

, https://rationalim.com415-379-0749
Assets Under Management
$100M–$500M
Employees
2
Office Locations
2 offices
Total Accounts
409

About the firm

Rational Investment Management offers tax and money management under one roof, providing comprehensive and coordinated advice on general financial planning. The firm takes a data-driven, long-term investment approach grounded in time-tested economic theory and manages more than $400 million of assets.

Firm Focus

Client segments reported on the firm's SEC Form ADV — applies to all advisors at the firm.

IndividualsHigh Net Worth

Areas of expertise

Tax PlanningFinancial PlanningInvestment ManagementRetirement PlanningEstate PlanningEmployee Stock OptionsRsusCPACFPCFATax Preparation+2 more

Services

Tax and money management, financial planning, retirement planning, estate plans, employee stock options and RSU advice, tax preparation, estate and trust tax preparation, IRS representation, tax planning, business entity selection, and data-driven investment management.

Who they serve

Client segmentClientsAssets managed
Individuals (Non-HNW)8$4.9M
High Net Worth Individuals85$398M
Investment Companies0
Pooled Investment Vehicles0$0
Pension/Profit Sharing Plans0$0
Charitable Organizations0$0
State/Municipal Entities0
Insurance Companies0
Sovereign Wealth Funds0
Corporations0$0

93 total clients reported on Form ADV.

Leadership

Daniel Soulis Sinton
MANAGING MEMBER/CHIEF COMPLIANCE OFFICER
Brian Charles Proses
PARTNER

Office locations

2 offices in 1 state
HQ
CA
SAN FRANCISCO

Advisors at this firm

2 advisors in the directory

Regulatory & compliance

CRD number
#163057
SEC Number
801-112483
Disciplinary History
No
Fee Model & Minimums
Model: AUM
Minimum: $1,000,000 (waivable)
Asset tierAnnual rate
First $1,000,0001.00%
Next $1,000,0000.75%
$2,000,001 to $10,000,0000.50%
Above $10,000,0000.25%

Data as of March 31, 2026 · Source: SEC IAPD & FINRA BrokerCheck

Contact Information

Editorial disclosure

This profile was compiled and published by AdvisorFinder as editorial content using publicly available information from the SEC's IAPD database and FINRA BrokerCheck. RATIONAL INVESTMENT MANAGEMENT, LLC has not reviewed, approved, or endorsed this profile and is not responsible for its accuracy. Regulatory records change over time — always verify the current record directly on the SEC or FINRA websites before making any decision.

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